The length of a bridge on a map is 1.5 cm. what is the actual length of the bridge in meters if the map is drawn at a scale of 1: 40,000

The actual length of the bridge is 600 meters

Step-by-step explanation:

we know that

The scale on a map is

That means

1 unit on a map represent 40,000 units in the actual

1 cm on a map represent 40,000 cm in the actual

Remember that

so

we can rewrite the scale as

using proportion

Find out the actual length of the bridge in meters if the length of a bridge on a map is 1.5 cm.

Let

x ----> the the actual length of the bridge in meters